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otnmbrd
 
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Default Which way does a boat turn?



Shen44 wrote:
ct: Which way does a boat turn?
From: "Scott Vernon"



My feeling is that you have to get that prop down really deep (as in submarine)
before this doesn't apply.
As another visual .... next time you back down (and for this purpose start DIW)
and start going astern look at your prop wash.
You should notice two things about it.
First, on a high percentage of single screw boats, the majority of the
disturbed wash you see at the surface will be coming out from underneath the
stbd side of your hull (you may see little or none on the port).


I'm going to slightly disagree here. When you start DIW, the boat (RH
prop) will almost immediately start swinging the stern to port, which in
itself will make the wash come out the stbd.
However, if all things were equal, you should see an equal wash either side.
I frequently use the backing for stopping. When doing this I try to
start a turn to port first, so that once the "walk" kicks in it stops my
swing at about the same time it stops the boat (used to have the final
heading where you want it when stopped) and since I'm watching the wash
so that I know when I'm stopped, it will still, in the majority, be
coming out the stbd side.

otn

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Shen44
 
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Default Which way does a boat turn?

I've watched the responses to this thread and those that came before which
involved the issue of "propwalk" and general boat handling.
To be honest, I've been surprised (though not in Jax's case) how few have
commented on my recent post, either positively or negatively.
However, in retrospect, from past experience I should have known better.
With this in mind, I'm going to try something ....... (power boat handling is
what I am and what I do).
I have over 40 years experience with inboard driven boats (fixed pitch RH,LH,
variable pitch, RH,LH, Z-drive, Cycloidal drive, twin screw (inboard or
outboard turning), triple screw, quad screw) single rudder, twin rudder ....
unbalanced, semi balanced, and balanced rudders, Becker rudders and Schilling
rudders, Kort Nozzles..... so on and so forth.
Now .... I admit to little experience with I/O and outboards ...... BUT......
If you should have a boat handling question regarding powerdriven vessels,
please feel free to E-mail me, and I will be more than happy to try and assist
you.
Please note .... I'm a firm believer that each boat, each condition, each
operator, requires different handling. I make no guarantees that what I might
suggest will work, unless I can board your vessel and work with you(EG and
that will be extremely expensive) .... but, I like trying to solve problems,
and if I can help you with one you have, over the net, that will be great.
So, if you have a question, e-mail me - I'm not going to dump on you - hell I
might thank you for telling me something new.
If you can't get me, try me bud (G he's older than me
in many respects) as I know he will also be willing to help.
G this is a freebie, no strings attached, I just love the subject, no ones
going to drag your ass ..... offer, using E=mail.

Shen
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otnmbrd
 
Posts: n/a
Default Which way does a boat turn?

ROFLMAO ..... I'll buy into this, but bet neither of us get's one
E-mail on the subject ....... especially from Jax

otn

Shen44 wrote:
I've watched the responses to this thread and those that came before which
involved the issue of "propwalk" and general boat handling.
To be honest, I've been surprised (though not in Jax's case) how few have
commented on my recent post, either positively or negatively.
However, in retrospect, from past experience I should have known better.
With this in mind, I'm going to try something ....... (power boat handling is
what I am and what I do).
I have over 40 years experience with inboard driven boats (fixed pitch RH,LH,
variable pitch, RH,LH, Z-drive, Cycloidal drive, twin screw (inboard or
outboard turning), triple screw, quad screw) single rudder, twin rudder ....
unbalanced, semi balanced, and balanced rudders, Becker rudders and Schilling
rudders, Kort Nozzles..... so on and so forth.
Now .... I admit to little experience with I/O and outboards ...... BUT......
If you should have a boat handling question regarding powerdriven vessels,
please feel free to E-mail me, and I will be more than happy to try and assist
you.
Please note .... I'm a firm believer that each boat, each condition, each
operator, requires different handling. I make no guarantees that what I might
suggest will work, unless I can board your vessel and work with you(EG and
that will be extremely expensive) .... but, I like trying to solve problems,
and if I can help you with one you have, over the net, that will be great.
So, if you have a question, e-mail me - I'm not going to dump on you - hell I
might thank you for telling me something new.
If you can't get me, try me bud (G he's older than me
in many respects) as I know he will also be willing to help.
G this is a freebie, no strings attached, I just love the subject, no ones
going to drag your ass ..... offer, using E=mail.

Shen


  #4   Report Post  
otnmbrd
 
Posts: n/a
Default Which way does a boat turn?

ROFLMAO ..... I'll buy into this, but bet neither of us get's one
E-mail on the subject ....... especially from Jax

otn

Shen44 wrote:
I've watched the responses to this thread and those that came before which
involved the issue of "propwalk" and general boat handling.
To be honest, I've been surprised (though not in Jax's case) how few have
commented on my recent post, either positively or negatively.
However, in retrospect, from past experience I should have known better.
With this in mind, I'm going to try something ....... (power boat handling is
what I am and what I do).
I have over 40 years experience with inboard driven boats (fixed pitch RH,LH,
variable pitch, RH,LH, Z-drive, Cycloidal drive, twin screw (inboard or
outboard turning), triple screw, quad screw) single rudder, twin rudder ....
unbalanced, semi balanced, and balanced rudders, Becker rudders and Schilling
rudders, Kort Nozzles..... so on and so forth.
Now .... I admit to little experience with I/O and outboards ...... BUT......
If you should have a boat handling question regarding powerdriven vessels,
please feel free to E-mail me, and I will be more than happy to try and assist
you.
Please note .... I'm a firm believer that each boat, each condition, each
operator, requires different handling. I make no guarantees that what I might
suggest will work, unless I can board your vessel and work with you(EG and
that will be extremely expensive) .... but, I like trying to solve problems,
and if I can help you with one you have, over the net, that will be great.
So, if you have a question, e-mail me - I'm not going to dump on you - hell I
might thank you for telling me something new.
If you can't get me, try me bud (G he's older than me
in many respects) as I know he will also be willing to help.
G this is a freebie, no strings attached, I just love the subject, no ones
going to drag your ass ..... offer, using E=mail.

Shen


  #5   Report Post  
Shen44
 
Posts: n/a
Default Which way does a boat turn?

I've watched the responses to this thread and those that came before which
involved the issue of "propwalk" and general boat handling.
To be honest, I've been surprised (though not in Jax's case) how few have
commented on my recent post, either positively or negatively.
However, in retrospect, from past experience I should have known better.
With this in mind, I'm going to try something ....... (power boat handling is
what I am and what I do).
I have over 40 years experience with inboard driven boats (fixed pitch RH,LH,
variable pitch, RH,LH, Z-drive, Cycloidal drive, twin screw (inboard or
outboard turning), triple screw, quad screw) single rudder, twin rudder ....
unbalanced, semi balanced, and balanced rudders, Becker rudders and Schilling
rudders, Kort Nozzles..... so on and so forth.
Now .... I admit to little experience with I/O and outboards ...... BUT......
If you should have a boat handling question regarding powerdriven vessels,
please feel free to E-mail me, and I will be more than happy to try and assist
you.
Please note .... I'm a firm believer that each boat, each condition, each
operator, requires different handling. I make no guarantees that what I might
suggest will work, unless I can board your vessel and work with you(EG and
that will be extremely expensive) .... but, I like trying to solve problems,
and if I can help you with one you have, over the net, that will be great.
So, if you have a question, e-mail me - I'm not going to dump on you - hell I
might thank you for telling me something new.
If you can't get me, try me bud (G he's older than me
in many respects) as I know he will also be willing to help.
G this is a freebie, no strings attached, I just love the subject, no ones
going to drag your ass ..... offer, using E=mail.

Shen


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